NDA2015MathematicsFunctionsActual
f(x y)=f(x)+f(y) is true for all
Options
- APolynomial functions f
- BTrigonometric functions f
- CExponential functions f
- DLogarithmic functions f
Correct answer
D. Logarithmic functions f
Step-by-step solution
aligned & Let f ( x )= x & f ( y )= y & & f ( xy )= ( xy )= x + y & f ( xy )= f ( x )+ f ( y ) aligned